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Cars, Smog, and EPA

Legal Planet

This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. grams per mile (gpm) for NOx. gpm NOx standard.

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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

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EPA’s Power Plant Carbon Rules Are Critical—and Complex. Here’s What to Know, and What to Watch.

Union of Concerned Scientists

Multiple lines of analysis make clear that regardless of how cheap wind and solar power get, without directly addressing pollution from coal and gas plants, the country’s clean energy transition will not happen fast enough. One critical tool for forcing that reckoning comes from the Environmental Protection Agency (EPA).

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Sabin Center Files Amicus Brief in Support of New GHG Vehicle Emissions Standards

Law Columbia

EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. While the Clean Air Act (CAA) has been amended multiple times since 1970, this basic requirement has remained untouched.

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September 2021 Updates to the Climate Case Charts

Law Columbia

In an unpublished judgment, the court rejected the petitioners’ other NEPA arguments regarding project design and capacity and cumulative ozone impacts. The court agreed with the defendants, however, that injunctive relief ordering a remedial plan or an accounting of greenhouse gas emissions would violate the political question doctrine.

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Policy News: November 22, 2021

ESA

It will likely be at least two weeks before the Senate takes up the legislation and the Senate will likely make major changes to the bill before passing the legislation for political and parliamentary reasons. EPA – Proposed Consent Decree, Clean Air Act Citizen Suit. Eastern Daylight Time on Dec. 3, 2021.

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